GB2040788B - Moulding foamed plastics - Google Patents

Moulding foamed plastics

Info

Publication number
GB2040788B
GB2040788B GB8001259A GB8001259A GB2040788B GB 2040788 B GB2040788 B GB 2040788B GB 8001259 A GB8001259 A GB 8001259A GB 8001259 A GB8001259 A GB 8001259A GB 2040788 B GB2040788 B GB 2040788B
Authority
GB
United Kingdom
Prior art keywords
foamed plastics
moulding foamed
moulding
plastics
foamed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB8001259A
Other languages
English (en)
Other versions
GB2040788A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE2903495A external-priority patent/DE2903495C2/de
Priority claimed from DE2911120A external-priority patent/DE2911120C2/de
Application filed by Individual filed Critical Individual
Publication of GB2040788A publication Critical patent/GB2040788A/en
Application granted granted Critical
Publication of GB2040788B publication Critical patent/GB2040788B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3461—Making or treating expandable particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
GB8001259A 1979-01-30 1980-01-15 Moulding foamed plastics Expired GB2040788B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2903495A DE2903495C2 (de) 1979-01-30 1979-01-30 Verfahren zum Herstellen von Formkörpern aus geschäumtem Kunststoff, insbesondere aus geschäumten Polystyrol
DE2911120A DE2911120C2 (de) 1979-03-21 1979-03-21 Verfahren zum Herstellen von Formkörpern aus geschäumtem Kunststoff, wie z.B. geschäumtem Polystyrol

Publications (2)

Publication Number Publication Date
GB2040788A GB2040788A (en) 1980-09-03
GB2040788B true GB2040788B (en) 1982-10-06

Family

ID=25777600

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8001259A Expired GB2040788B (en) 1979-01-30 1980-01-15 Moulding foamed plastics

Country Status (5)

Country Link
CH (1) CH642903A5 (cs)
ES (1) ES8100153A1 (cs)
FR (1) FR2447803A1 (cs)
GB (1) GB2040788B (cs)
SE (1) SE8000748L (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6547547B2 (en) * 2000-02-01 2003-04-15 Daisen Industry Co., Ltd. Apparatus for molding composite foam molding element
US20010021402A1 (en) * 2000-03-13 2001-09-13 Iwao Nohara Foam molding die apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1274755A (fr) * 1960-10-17 1961-10-27 Wanner Ag Procédé de conformation de matières à façonner ou à faire mousser dans des moules
DE1778819A1 (de) * 1968-06-08 1972-03-23 Gruenzweig & Hartmann Schaeumform zum Aufschaeumen von Kunstharzmassen
DE1779415A1 (de) * 1968-08-09 1971-11-18 Basf Ag Verfahren zum Herstellen von Formkoerpern
GB1534696A (en) * 1976-03-26 1978-12-06 Precision Rams Ltd Manufacture of insulating blocks

Also Published As

Publication number Publication date
ES488064A0 (es) 1980-11-01
SE8000748L (sv) 1980-07-31
GB2040788A (en) 1980-09-03
FR2447803A1 (fr) 1980-08-29
CH642903A5 (de) 1984-05-15
ES8100153A1 (es) 1980-11-01
FR2447803B1 (cs) 1983-06-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee